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🛠️ Drill into precision, grip the future of timber testing!
The JIM-GEM® 12" Increment Borers feature a 3-thread 0.200" (5.15mm) PTFE-coated steel bit designed for efficient wood core extraction. Its color-coated handle ensures secure grip and visibility, while the stainless steel extractor completes the kit for professional-grade timber analysis. Ideal for assessing wood quality, growth, and chemical penetration with durability and ease.










| ASIN | B007BDQHMY |
| Best Sellers Rank | #530,207 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #88 in Soldering Insertion-Extraction Tools |
| Brand | Jim Gem |
| Brand Name | Jim Gem |
| Customer Reviews | 5.0 out of 5 stars 3 Reviews |
| Cutting Angle String | 6E+1 Degrees |
| Cutting Diameter | 5.15 Millimeters |
| Finish Type | PTFE |
| Finish Types | PTFE |
| Item Weight | 16 ounces |
| Manufacturer | Jim Gem |
| Material | Alloy Steel , Stainless Steel |
| Material Type | Alloy Steel, Stainless Steel |
| Number of Flutes | 1 |
| Part Number | 63083 |
| Shank Type | Straight |
| Surface Recommendation | Wood |
| Tool Flute Type | Straight |
| Unit Count | 1 Count |
S**H
Working as expected
Used it four times now, it's doing the job. Doesn't seem to have any weak points yet.
Trustpilot
2 weeks ago
3 days ago